Suction fan features: 
 1, and its beautiful appearance, structure, light and compact, safe and stable; with high efficiency, low noise, large volume flow and performance characteristics. 
 2, for low pressure system in the wind. 
 3, all-aluminum shell, rust proof, anti-acid, anti-corrosion, sealing strict, good ventilation performance, low power consumption, long working life. 
 4, the drive belt with PK multi V belt, wear-resistant, non-traditional belt slipping when running and noise disturbance. 
 5, the use of air downstream louver design principles, and personnel do not need to switch the use of electricity, elegant, and can prevent water intrusion. 
 6, the cooling effect of up to 90% or more ventilation. 
 Specification: 
 Model specifications blade diameter fan rotation noise power voltage of the weight of the air flow 
 CX-1 type 1380 × 1380 × 400 1270 450 44500 65 1.1 380 75 
 CX-2 model 1220 × 1220 × 400 1110 480 37000 63 0.75 380 55 
 CX-3 model 1060 × 1060 × 400 950 500 3200 0 60 0.55 380 45